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[rust.git] / src / tools / miri / tests / fail / concurrency / libc_pthread_join_joined.rs
1 //@ignore-target-windows: No libc on Windows
2
3 // Joining an already joined thread is undefined behavior.
4
5 use std::{mem, ptr};
6
7 extern "C" fn thread_start(_null: *mut libc::c_void) -> *mut libc::c_void {
8     ptr::null_mut()
9 }
10
11 fn main() {
12     unsafe {
13         let mut native: libc::pthread_t = mem::zeroed();
14         let attr: libc::pthread_attr_t = mem::zeroed();
15         // assert_eq!(libc::pthread_attr_init(&mut attr), 0); FIXME: this function is not yet implemented.
16         assert_eq!(libc::pthread_create(&mut native, &attr, thread_start, ptr::null_mut()), 0);
17         assert_eq!(libc::pthread_join(native, ptr::null_mut()), 0);
18         assert_eq!(libc::pthread_join(native, ptr::null_mut()), 0); //~ ERROR: Undefined Behavior: trying to join an already joined thread
19     }
20 }